Question: What academic degree if Mary Leakey earn in 1968?
Paraphrase: In 1968, what academic degree did Mary Leakey receive?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q231111 p:P512 ?s . ?s ps:P512 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1968')) }